.n {
    font-size: 20px;
    text-align: center;
}

 hr {
    border: 2px solid black; /* 设置为 2 像素宽的蓝色虚线 */
    width: 60%;
    margin: 1px auto;
}

nav ul li {
    display: inline-block;
    padding: 3px;
    margin-right: 1px; /* 减小列表项之间的间距 */
}


a:link {
  color:rgb(0, 0, 0);
  text-decoration: none;

}

a:hover{
    color: brown;
  text-decoration: underline;

}

a:active{
    color: blue;
  text-decoration: underline;

}

.image-container {
    text-align: center;
}

.one strong{
    color: chocolate;
    font-size: large;
}
.two{
    color: chocolate;
}

.two strong{
    color:brown;
    font-size: large;
}

span{
    text-align: center;
}